html,
body {
    padding :0;
    margin :0;
    background-color: #f5f5f5;
}
html,
body,
#app{
    height: 100%;
}
input{
    border: none;
    outline: none;
}

button{
    border: none;
    outline: none;
}
a{
    text-decoration: none;
    color: #333;
   
}
li{
    list-style-type: none;
}